If you consider yourself a joker and want to spend a little trick on a friend (or enemy) then Start button hunt will help you.
It is a joke, of doubtful taste, that when executing it makes the Windows Start button disappear completely, thus being completely unfeasible to be able to access the various menu options. Start button hunt is so effective that only by restarting the computer will the button reappear.
You will spend a fun time with Start button hunt by checking all the friends you pass it to, apart from forcing them to restart their computer to recover the button.
You can free download Start button hunt 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.